1 /* 2 * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.jfr.event.gc.collection; 27 28 import java.time.Duration; 29 import java.util.List; 30 31 import jdk.jfr.Recording; 32 import jdk.jfr.consumer.RecordedEvent; 33 import jdk.test.lib.jfr.Events; 34 import jdk.test.lib.jfr.GCHelper; 35 36 /* 37 * @test 38 * @key jfr 39 * @requires vm.gc == "Parallel" | vm.gc == null 40 * @library /test/lib /test/jdk 41 * @run main/othervm -XX:+UseParallelGC -XX:+UseParallelOldGC jdk.jfr.event.gc.collection.TestGCWithFasttime 42 */ 43 public class TestGCWithFasttime { 44 private static final String EVENT_NAME = GCHelper.event_garbage_collection; 45 46 // TODO: Check if all GC tests can be run with fast time. If so, this test is probably not needed. 47 public static void main(String[] args) throws Exception { 48 Recording recording = new Recording(); 49 recording.enable(EVENT_NAME).withThreshold(Duration.ofMillis(0)); 50 recording.start(); 51 System.gc(); 52 System.gc(); 53 recording.stop(); 54 55 List<RecordedEvent> events = Events.fromRecording(recording); 56 Events.hasEvents(events); 57 for (RecordedEvent event : events) { 58 if (!EVENT_NAME.equals(event.getEventType().getName())) { 59 continue; 60 } 61 Events.assertField(event, "name").notEmpty(); 62 Events.assertField(event, "cause").notEmpty(); 63 } 64 } 65 }